<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				border: 1px solid orange;
			}

			.d0 {
				height: 200px;
				width: 80%;
				margin: auto;
			}

			.d1 {
				float: left;
				width: 200px;
				height: 100%;
			}

			.d2 {
				float: left;
				width: 200px;
				height: 100%;
				margin-left: 30px;
			}

			.d3 {
				float: left;
				width: 200px;
				height: 100%;
				margin-left: 30px;
			}

			.d4 {
				float: left;
				width: 200px;
				height: 100%;
				margin-left: 30px;
			}
		</style>
	</head>
	<body>
		<div class="d0">
			<div class="d1">第一个div</div>
			<div class="d2">第二个div</div>
			<div class="d3">第三个div</div>
			<div class="d4">第四个div</div>
		</div>
	</body>
</html>
